By Alan Douglas.
This monumental 3 volume work offers an outline history for each of the major radio manufacturers of the 1920s. It features the company principals and their factories, the financial ups and downs of the industry, and hundreds of pictures of radios produced up to 1930. Each volume over 250 pages, 2 lbs. Soft cover.
Volume 2 covers Freed Elsemann through Preiss.

High quality reprint of early (1920s) Montgomery Ward catalog of wireless equipment. 32 pages of radios, kits, tubes and books as available 70 years ago. Sorry, you can't order from this catalog!
0.2 lbs, 7" x 9.5", 33 pages.